/*
 * Copyright 2000-2010 JetBrains s.r.o.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.intellij.openapi.util;

import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

/**
 * Like UserDataHolder, but stores data in non-thread-safe way.
 * Should not be accessed across threads.
 */
public interface UserDataHolderUnprotected {
    @Nullable
    <T> T getUserDataUnprotected(@NotNull Key<T> key);

    <T> void putUserDataUnprotected(@NotNull Key<T> key, @Nullable T value);
}
